li {
    list-style: none;
}
#wrap{
    overflow: hidden;
    position: relative;
    width: 1300px;
    height: 550px;
    margin: 0px auto;
    margin-top: 110px;
}
#wrap .img-list{
    display: flex;
    position: relative;
    left: 0px;
    width: 100%;
    height: 100%;
    transform: 0.5s ease;
}
#wrap .img-list img{
    width: 100%;
    cursor: pointer;
}
#wrap a{
    position: absolute;
    top: 50%;
    transform: translate(0,-50%);
    display: block;
    width: 40px;
    height: 70px;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    user-select: none;
    font-size: 30px;
    text-align:center;
    line-height: 70px;
    text-decoration: none;
}
#wrap a.left{
    left: 0;
}
#wrap a.right{
    right: 0;
}
.circle-list{
    display: flex;
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translate(-50%,0);
    width: 240px;
    height: 40px;
    z-index: 8;
}
.circle-list > .circle{
    margin: 0 5px;
    width: 30px;
    height: 30px;
    background-color:  #ecf0f1;
    border-radius: 50%;
}
.circle-list > .circle-active{
    background-color: #e74c3c;
}